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Webservices composition is traditionally carried out using composition technologies such as Business Process Execution Language (BPEL) [1] and Web Service Choreography Interface (WSCI) [2]. The composition technology involves the process of web service discovery, invocation, and composition. However these technologies are not easy and flexible enough because they are mainly developer-centric. Moreover majority of websites have not yet embarked into the world of web service, although they have very important and useful information to offer. Is it because they have not understood the usefulness of web services or is it because of the costs? Whatever might be the answers to these questions, time and money are definitely required in order to create and offer web services. To avoid these expenditures, wrappers [7] to automatically generate webservices from websites would be a cheaper and easier solution. Mashups offer a different way of doing webservices composition. In web environment a Mashup is a web application that brings together data from several sources using webservices, APIs, wrappers and so on, in order to create entirely a new application that was not provided before. This paper presents first an overview of Mashups and the process of web service invocation and composition based on Mashup, then describes an example of a web-based simulator for navigation system in Germany.
Why is our universe so fine-tuned? In this preprint we discuss that this is not a strange accident but that fine-tuned universes can be considered to be exceedingly large if one counts the number of observable different states (i.e. one aspect of the more general preprint http://www.opus-bayern.de/uni-wuerzburg/volltexte/2009/3353/). Looking at parameter variation for the same set of physical laws simple and complex processes (including life) and worlds in a multiverse are compared in simple examples. Next the anthropocentric principle is extended as many conditions which are generally interpreted anthropocentric only ensure a large space of different system states. In particular, the observed over-tuning beyond the level for our existence is explainable by these system considerations. More formally, the state space for different systems becomes measurable and comparable looking at their output behaviour. We show that highly interacting processes are more complex then Chaitin complexity, the latter denotes processes not compressible by shorter descriptions (Kolomogorov complexity). The complexity considerations help to better study and compare different processes (programs, living cells, environments and worlds) including dynamic behaviour and can be used for model selection in theoretical physics. Moreover, the large size (in terms of different states) of a world allowing complex processes including life can in a model calculation be determined applying discrete histories from quantum spin-loop theory. Nevertheless there remains a lot to be done - hopefully the preprint stimulates further efforts in this area.
In a nice assay published in Nature in 1993 the physicist Richard God III started from a human observer and made a number of witty conclusions about our future prospects giving estimates for the existence of the Berlin Wall, the human race and all the rest of the universe. In the same spirit, we derive implications for "the meaning of life, the universe and all the rest" from few principles. Adams´ absurd answer "42" tells the lesson "garbage in / garbage out" - or suggests that the question is non calculable. We show that experience of "meaning" and to decide fundamental questions which can not be decided by formal systems imply central properties of life: Ever higher levels of internal representation of the world and an escalating tendency to become more complex. An observer, "collecting observations" and three measures for complexity are examined. A theory on living systems is derived focussing on their internal representation of information. Living systems are more complex than Kolmogorov complexity ("life is NOT simple") and overcome decision limits (Gödel theorem) for formal systems as illustrated for cell cycle. Only a world with very fine tuned environments allows life. Such a world is itself rather complex and hence excessive large in its space of different states – a living observer has thus a high probability to reside in a complex and fine tuned universe.
No abstract available.
No abstract available.
Der Artikel gibt einen Überblick über die Forschungen zur französischen Umgangssprache von den Anfängen bis etwa 1992 in vier Abschnitten: 1. Die Anfänge, 2. die Sprachschichtenforschung, 3. die Beiträge von Soziolinguistik und Varietätenlinguistik und 4. die Arbeiten der "Gegenwart" um 1990. Eine Zusammenfassung und eine ausführliche Bibliographie schließen den Forschungsbericht ab. Berücksichtigt werden alle sprachlichen Ebenen von der Aussprache über den Wortschatz bis zur Grammatik. Wo es angebracht erscheint, sind Hinweise auf Arbeiten zu anderen Umgangssprachen angeführt.
Der Aufsatz beschäftigt sich mit der lautlichen Anpassung der arabischen Lehnwörter im Portugiesischen. Behandelt werden die Betonung, der Vokalismus und der Konsonantismus sowie verschiedene kontextabhängige Lautwandelerscheinungen.
Der Aufsatz beschreibt die portugiesischen Wörter arabischen Ursprungs, und zwar unter verschiedenen Gesichtspunkten: im Vergleich mit den Arabismen des Spanischen, Katalanischen und Italienischen; die Anzahl der portugiesischen Arabismen, ihre lexikalische Struktur, ihre Verteilung nach Sachbereichen und ihre geographische Verbreitung. Untersucht werden nur sichere und direkte Arabismen, die heute noch gebäuchlich sind. Einige Anmerkungen zum inneren Lehngut (Lehnübersetzung, Lehnbedeutung u.ä.) schließen den Artikel ab.
No abstract available